
The instructions are very clear.
Don't feed the gremlins after MIDNIGHT.
The Big Bang Theory Season 3, Episode 4

A girl and her friends will
walk through the gate at MIDNIGHT.
Game of Thrones Season 2, Episode 8

Since MIDNIGHT, Your Grace.
Game of Thrones Season 4, Episode 1

It's MIDNIGHT.
The Big Bang Theory Season 10, Episode 11

Good food, good friends,
and sometime around MIDNIGHT...
The Big Bang Theory Season 8, Episode 18